Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/internal/interface/http/dashboard/get.go

@@ -0,0 +1,85 @@
+// cloud/maplefile-backend/internal/maplefile/interface/http/dashboard/get.go
+package dashboard
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"go.uber.org/zap"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/interface/http/middleware"
+	svc_dashboard "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/service/dashboard"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type GetDashboardHTTPHandler struct {
+	config     *config.Configuration
+	logger     *zap.Logger
+	service    svc_dashboard.GetDashboardService
+	middleware middleware.Middleware
+}
+
+func NewGetDashboardHTTPHandler(
+	config *config.Configuration,
+	logger *zap.Logger,
+	service svc_dashboard.GetDashboardService,
+	middleware middleware.Middleware,
+) *GetDashboardHTTPHandler {
+	logger = logger.With(zap.String("module", "maplefile"))
+	logger = logger.Named("GetDashboardHTTPHandler")
+	return &GetDashboardHTTPHandler{
+		config:     config,
+		logger:     logger,
+		service:    service,
+		middleware: middleware,
+	}
+}
+
+func (*GetDashboardHTTPHandler) Pattern() string {
+	return "GET /api/v1/dashboard"
+}
+
+func (h *GetDashboardHTTPHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	// Apply middleware before handling the request
+	h.middleware.Attach(h.Execute)(w, req)
+}
+
+func (h *GetDashboardHTTPHandler) Execute(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	//
+	// STEP 1: Execute service
+	//
+	resp, err := h.service.Execute(ctx)
+	if err != nil {
+		h.logger.Error("Failed to get dashboard data",
+			zap.Error(err))
+		// Service returns RFC 9457 errors, use RespondWithError to handle them
+		httperror.RespondWithError(w, r, err)
+		return
+	}
+
+	//
+	// STEP 2: Encode and return response
+	//
+	if resp == nil {
+		h.logger.Error("No dashboard data returned from service")
+		problem := httperror.NewInternalServerError("Failed to retrieve dashboard data. Please try again.").
+			WithInstance(r.URL.Path).
+			WithTraceID(httperror.ExtractRequestID(r))
+		httperror.RespondWithProblem(w, problem)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	if err := json.NewEncoder(w).Encode(resp); err != nil {
+		h.logger.Error("Failed to encode dashboard response",
+			zap.Error(err))
+		// At this point headers are already sent, log the error but can't send RFC 9457 response
+		return
+	}
+
+	h.logger.Debug("Dashboard data successfully returned")
+}